Sea to Summit Ultra-Sil Pack Liner - Small

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Item #: 331904357

This sturdy Sea to Summit Ultra Sil Pack Liner is designed to protect your packed gear through some of the harshest of elements. Neither rain nor snow will dampen the supplies you have stowed away in your Ultra Sil Pack Liner. With its durable construction and unique top closure, moisture will be blocked from reaching the valuable items stored inside.


  • Distinctive, roll-top closure fastens securely and protects your gear from moisture
  • Constructed of durable PU coated Siliconized Cordura
  • Stitched with sturdy, fully-sealed seams
  • Backpacker-friendly, low-profile buckles
  • Friction-resistant finish allows for easy packing
  • Opens wide for easy packing
  • Available in three sizes


  • Height 66 cm. / 26 in.
  • Weight 74 g. / 2.6 oz.
  • 50L

Shipping Info:

  • Leaves the warehouse in 1-7 business days depending on order volume.
  • Items may be returned within 60 days of the order date to an Atmosphere retail store or an Atmosphere warehouse. Items must be returned unused/unworn and electronics unopened. See Online Return Policy and Return Instructions for more information.
  • Note: Shipping restrictions may apply based on location and product size.


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